Ublox C101-D9S User manual

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C101-D9S
Application board (rev. C)
User guide

Abstract
This document explains the use of C101-D9S application board. The C101-D9S board
enables
customers to evaluate L-band GNSS correction services with the NEO-D9S correction data receiver
.

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Document information
Title C101-D9S
Subtitle Application board (rev. C)
Document type User guide
Document number UBX-20031865
Revision and date R02 24-Jun-2021
Disclosure restriction C1-Public
This document applies to the following products:
Product name Type number Firmware version PCN reference
C101-D9S C101-D9S-0-00 FW V1.04 PMP 1.04 N/A
u-blox or third parties may hold intellectual property rights in the products, names, logos and designs included in this
document. Copying, reproduction, modification or disclosure to third parties of this document or any part thereof is only
permitted with the express written permission
of u-blox.
The information contained herein is provided “as is” and u
-blox assumes no liability for its use. No warranty, either express or
implied, is given, including but not limited
to, with respect to the accuracy, correctness, reliability and fitness for a particular
purpose of the information. This document may be revised by u
-blox at any time without notice. For the most recent
documents, visit www.u
-blox.com.
Copyright © u
-blox AG.

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Contents
Document information................................................................................................................................2
Contents ..........................................................................................................................................................3
1Introduction.............................................................................................................................................4
1.1 Package contents ....................................................................................................................................... 4
2C101-D9S product overview..............................................................................................................5
2.1 Components................................................................................................................................................. 5
2.2 Jumpers........................................................................................................................................................ 6
3C101-D9S standalone operation......................................................................................................7
4C101-D9S operation with C099-F9P...............................................................................................9
Appendix ....................................................................................................................................................... 11
AGlossary ................................................................................................................................................. 11
BNEO-D9S L-band configurations................................................................................................... 11
CL-band antenna specification......................................................................................................... 11
DC101-D9S schematics ...................................................................................................................... 12
Related documentation ........................................................................................................................... 15
Revision history.......................................................................................................................................... 15
Contact.......................................................................................................................................................... 16

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1Introduction
The C101-D9S board is a convenient tool that allows customers to become familiar with the u-blox
NEO-D9S L-band correction data receiver. The board provides facilities for evaluating the product and
demonstrating its key features.
NEO-D9S is a satellite data receiver for L-band correction broadcasts and can be configured for use
with a variety of correction services. Using such correction services enables high precision navigation
globally in multiple regions, as well as coverage across continents.
The C101-D9S application board offers:
•NEO-D9S module for use as L-band correction data receiver
•USB connection for communication and power supply
•L-band antenna connection for receiving the satellite data stream
•Arduino shield connection
1.1 Package contents
The delivered package contains:
•C101-D9S board
•L-band antenna
•Antenna ground plane (12 cm circular)
•USB interconnect cable
•Jumper connectors
Prior to using the board, it is useful to download the appropriate evaluation software and keep handy
the documents listed in the Related documents section.

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2C101-D9S product overview
2.1 Components
C101-D9S houses the NEO-D9S L-band correction data receiver. The board is powered from the USB
cable connection or via Arduino shield. The main components of the board are listed below and shown
in Figure 1 and Figure 2:
•Native USB port
•FTDI USB bridge
•SMA RF connector and antenna supply capability (L-band)
•UART2 interface through Arduino shield
•NEO-D9S RESET button
•NEO-D9S SAFEBOOT button
Figure 1: C101-D9S block diagram

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Figure 2: C101-D9S quick start basic overview
2.2 Jumpers
The board is delivered with the following default jumpers:
•J6: This jumper provides 3.3 V power supply to an external active antenna plugged to the SMA RF
connector. The current limit circuit is also enabled up to 60 mA.
•J8: This jumper switches the communication from the UART2 of the NEO-D9S to the J2 or J3
connector of the Arduino shield (refer to Appendix D for further details).
Figure 3: C101-D9S jumpers overview
For further details, see the C101-D9S schematic in Appendix D.

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3C101-D9S standalone operation
This section provides some quicksteps to enable NEO-D9S standalone operation, and connecting via
u-center (see u-center user guide [3]).
•Connect the supplied L-band antenna to the RF SMA connector. Ensure good visibility of the GEO
communication satellites.
•Connect the USB to a Windows PC, this will power the board. The FTDI and USB drivers will be
installed automatically from Windows Update when the user connects the board for the first time.
•The power LED will turn on in blue.
•Start the Device Manager utility from Windows. Two new ports will be visible under the Ports tab:
the USB Serial Device is the Native USB port and the USB Serial Port is the FTDI USB bridge port,
as shown in Figure 4.
Figure 4: Windows Device Manager Ports identifications
Figure 5: FTDI USB bridge and USB ports properties
•Start u-center and connect to one of the COM ports. If you are using the FTDI USB bridge, make
sure the baud rate in u-center is set to 9600.
•Poll UBX-MON-VER message and check the content as shown in Figure 6.

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Figure 6: UBX-MON-VER message
NEO-D9S needs to be properly configured to receive the L-band signal correction data. See Appendix
B for the default NEO-D9S L-band configuration, which can be adapted for other services.
The messages UBX-MON-PMP and UBX-RXM-PMP (see Figure 7 and Figure 8) can be polled or
enabled to check respectively the reception of the signal and the decoded correction data.
Figure 7: UBX-MON-PMP message
Figure 8: UBX-RXM-PMP message

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4C101-D9S operation with C099-F9P
It is possible to use the C101-D9S board together with C099-F9P. Figure 9 shows how to interface the
C101-D9S board with the C099-F9P board.
Figure 9: C101-D9S - C099-F9P interfacing scheme
Figure 10 shows the placement of the Arduino connectors on the C101-D9S board and Figure 11
shows how to physically connect the C099-F9P board to the C101-D9S board via the Arduino shield.
Jumper J18 on the C099 board is needed for the ZED-F9P to receive the correction data on the UART1
port. See the C099 application board User guide [4] for further details.
Figure 10: C101-D9S Arduino connectors

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Figure 11: Connecting C101-D9S to C099-F9P
Depending on the position of jumper J8 on the C101-D9S board (as shown below) the ZED-F9P
housed on the C099-F9P board will receive the correction data on the UART1 or the UART2 port:
The ZED-F9P receives the correction data on
UART1 port.
The ZED-
F9P receives the correction data on
UART2 port.
For further details, see the C101-D9S schematic in Appendix D.

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Appendix
AGlossary
Abbreviation Definition
FTDI Future Technology Device International
GEO Geostationary Earth Orbit
LED Light Emitting Diode
LNA Low Noise Amplifier
RF Radio Frequency
RHCP Right Hand Circular Polarized
SMA SubMiniature version A
UART Universal Asynchronous Receiver Transmitter
USB Universal Serial Bus
Table 1: Explanation of the abbreviations and terms used
BNEO-D9S L-band configurations
Correction services from several providers are available via the L-band communication satellites. The
service provider will have several correction service specific configurations that need to be configured
before the receiver can provide the relevant service provider data such as:
•Service provider service ID
•Service provider frequency based on geographical location
•Service provider data rate
This means that the frequency allocation for a particular service provider could change. Service
providers do provide information on any frequency changes when required.
The NEO-D9S default L-band configuration keys are listed below:
•CFG-PMP-CENTER_FREQUENCY = 1539812500 Hz
•CFG-PMP-SEARCH_WINDOW = 2200 Hz
•CFG-PMP-USE_SERVICE_ID = 1 (true)
•CFG-PMP-SERVICE_ID = 50821
•CFG-PMP-DATA_RATE = 2400 (B2400) bps
•CFG-PMP-USE_DESCRAMBLER = 1 (true)
•CFG-PMP-DESCRAMBLER_INIT = 23560
•CFG-PMP-USE_PRESCRAMBLING = 0 (false)
•CFG-PMP-UNIQUE_WORD = 16238547128276412563
The NEO-D9S correction data receiver is fully compliant with the u-blox configuration concept. The
messages UBX-CFG-VALSET, UBX-CFG-VALGET and UBX-CFG-VALDEL are used to configure the
above keys. See the NEO-D9S Integration manual [1] for further details.
CL-band antenna specification
The following is an overview of the provided Inpaq L-band antenna, LBAND01D-S6-00:

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See the NEO-D9S Integration manual [1] for further details.
DC101-D9S schematics
The following pages show the complete schematics for the C101-D9S evaluation board.

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Related documentation
[1] NEO-D9S Integration manual, UBX-19026111
[2] ZED-F9P Integration manual, UBX-18010802
[3] u-center User guide, UBX-13005250
[4] C099 application board User guide,UBX- 18063024
☞For product change notifications and regular updates of u-blox documentation, register on our
website, www.u-blox.com.
Revision history
Revision Date Name Comments
R01 30-Jul-2020 dama Initial release
R02 24-June-2021 dama Add chapter 4: C101-D9S operation with C099-F9P

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Contact
For complete contact information, visit us at www.u-blox.com.
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